On Mon, 16 Jun 2008, Linus Torvalds wrote:
quoted text
> On Mon, 16 Jun 2008, Jeremy Fitzhardinge wrote:
> >
> > ptep_modify_prot_start() returns the current pte value, and puts the
> >   pte entry into a state where either the hardware will not update the
> >   pte, or if it does, the updates will be preserved on commit.
> > 
> > ptep_modify_prot_commit() writes back the updated pte, makes sure that
> >   any hardware updates made since ptep_modify_prot_start() are
> >   preserved.
> 
> Ok, I'm fine with this now that it's renamed to be clearly about just 
> protection bits.
> 
> So 
> 
> 	Acked-by: Linus Torvalds <torvalds@linux-foundation.org>

And seems very reasonable (and exceptionally well described) to me too.

	Acked-by: Hugh Dickins <hugh@veritas.com>
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